Lid for a cooler



FIG. 1 is a perspective view of my design showing the design's front, right side and top, and showing my design placed upon a chest, which is not claimed, shown in phantom dashed line;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a right side elevational view thereof, left side elevational view thereof being substantially a mirror image thereof.

Please note that the underside (bottom plan view) of this design is not claimed. 

The ornamental design for lid for a cooler, as shown and described. 